BNA to BWI flight delays & on-time performance
Nonstop flights from Nashville International Airport to Baltimore/Washington International Thurgood Marshall Airport · 587 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BNA or BWI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Nashville (BNA) to Baltimore (BWI) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.8% were cancelled, and 6% arrived an hour or more late.
- Departures scheduled around 5am did best (99% on time); around 8pm did worst (39%).
- Tuesday was the most reliable day to fly (82% on time) and Sunday the least (73%).
- The largest source of delay minutes was late-arriving aircraft (54%).
Which airline is most on time from BNA to BWI?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 77% | 1.8% | 13 min | 6.1% | 1,759 |
| Spirit Airlines | 77% | 3.7% | 13 min | 11.5% | 54 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am99%104 flights
- 6am89%185 flights
- 7am96%82 flights
- 8am91%48 flights
- 9am95%156 flights
- 10am86%83 flights
- 11am94%32 flights
- 12pm78%64 flights
- 1pm72%234 flights
- 2pm92%68 flights
- 3pm76%78 flights
- 4pm69%97 flights
- 5pm54%77 flights
- 6pm68%213 flights
- 7pm68%132 flights
- 8pm39%83 flights
- 9pm59%76 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%1.1% cancelled
- Tuesday82%0.8% cancelled
- Wednesday82%1.3% cancelled
- Thursday74%0.7% cancelled
- Friday79%3.2% cancelled
- Saturday79%2.3% cancelled
- Sunday73%3.1% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion12%
- Extreme weather2%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather61%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion9%
- Security0%
BNA to BWI: common questions
- How often are BNA to BWI flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Nashville to Baltimore cancelled?
- 1.8% of scheduled flights were cancelled (33 of 1,813).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 52 min behind schedule on average, and 6.3% of flights were an hour or more late.
- How long is taxi time at BNA?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BWI to BNA — 80% on time
More flights from Nashville
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BNA → BWI, nonstop flights by US airlines that report to the DOT. How we calculate this.